Lock-in Amplifier

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Lock-in Amplifier

Lock-in amplifier is a kind of amplifier that can separate specific carrier frequency signals from extremely interfered environment. It is mainly used for accurate measurement of weak signals. Lock-in amplifier is mainly used for precision AC voltage meter and AC phase meter, noise measurement unit, impedance spectrometer, network analyzer, spectrum analyzer and phase discriminator in phase-locked loop.

DXA-001 Phase locked amplifier

The low-noise analog front-end amplifier used in lock-in amplifier can effectively process differential or single-ended signals, and its equivalent input noise is only 5nV/√Hz. The input impedance of this channel is 10MΩ, and the input signal level can be detected at full scale output from 1nV to 1V.
DXA-001C Independent Synchronous Dual-Channel Lock-in Amplifier

The low-noise analog front-end amplifier used in the lock-in amplifier DXA-001C can effectively handle differential or single-ended signals, and its equivalent input noise is only 5nV/√Hz. The input impedance of this channel is 10MΩ, and the input signal level that can be detected at full scale output is 1nV to 1V. In addition, the DXA-001C can be applied to the measurement of input current signal
DXA-003 Lock-in Amplifier

The low-noise analog front-end amplifier used in the lock-in amplifier DXA-003 can effectively process single-ended or differential signals, and its equivalent input noise is 6nV/√Hz@100kHz. The input impedance of this channel is 50Ω or 10MΩ, and the input signal level that can be detected at full scale output is 1nV to 1V. The dynamic range of DXA-003 can reach more than 120dB, and it can adjust
DXA-004 Lock-in Amplifier

The low-noise analog front-end amplifier used in the lock-in amplifier DXA-004 can effectively handle single-ended or differential signals, and its equivalent input noise is 6nV/√Hz@100kHz. The input impedance of this channel is 50Ω or 10MΩ, and the input signal level that can be detected at full scale output is 1nV to 1V. The dynamic range of DXA-004 can reach more than 120dB
DX-609 Preamplifier

DX-609 is a preamplifier with low noise and ultra high input impedance. The input impedance is up to 10MΩ, and it has excellent common mode rejection capability. The amplification factor is manually adjusted to 10/20/50/100, and the gain accuracy reaches 2%.
Optical chopper

The DX-901 optical chopper is a precision optical device that uses a high-precision phase-locked loop to accurately track the external trigger signal, and uses PID control to accurately drive the motor and provide a stable reference output signal. DX-901 consists of three parts: main box, chopper machine and connecting line. Among them, the main box is an electronic control system.